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The average price for a theater ticket in a certain city in 2017 was $103.48. A random sample of 28 theater ticket prices in the
The average price for a theater ticket in a certain city in 2017 was $103.48. A random sample of 28 theater ticket prices in the city in 2018 had a sample mean of $109.21 with a standard deviation of $43.52. a. Do we have evidence that theater ticket prices in the city changed from the 2017 price? Use a signicance level of 0.05. b. Construct a 95% condence interval for the price of a theater ticket in the city. How does your condence interval support your conclusion in part (a)? E) a. Determine the null and alternative hypotheses. Choose the correct answer below. If} A. H0: p=$103.48 {I} B. Ho: u$103.48 Ha: p>$103.48 Ha: p2$103.48 Ha: ps$103.48 "fir D. Ho: p$103.48 {I} E. H0: u=$103.48 {I} F. Ho: u=$103.48 Ha: p=$103.48 Ha: p$103.48 Ha: p
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